Welcome to the Interactive Story Help Forum
I doubt I'm going to get a response since my last post didn't, but requirements don't work, or at least don't fully work. If you try to add more than one requirement to an action, such as needing multiple items for it to work, the action does not show up while playing at all even if you meet the requirements. The option also won't show up if you set it to add multiple items to the inventory, and if you have one requirement and set it to also add an item, the item won't be added.
Hello Zoe,
If this is happening in test mode then it may be possible the action has been considered done and has been removed from the list of options. In the editor click on the action and towards the bottom uncheck 'Do action once only'. This should clear the condition.